The structure of the upper atmosphere of Mars:In situ accelerometer measurements from Mars Global Surveyor

Keating, G.M., Bougher, S.W., Zurek, R.W., Tolson, R.H., Cancro, G.J., Noll, S.N., Parker, J.S., Schellenberg, T.J., Shane, R.W., Wilkerson, B.L., Murphy, J.R., Hollingsworth, J.L., Haberle, R.M., Joshi, M., Pearl, J.C., Conrath, B.J., Smith, M.D., Clancy, R.T., Blanchard, R.C., Wilmoth, R.G., Rault, D.F., Martin, T.Z., Lyons, D.T., Esposito, P.B., Johnston, M.D., Whetzel, C.W., Justus, C.G. and Babicke, J.M. (1998) The structure of the upper atmosphere of Mars:In situ accelerometer measurements from Mars Global Surveyor. Science, 279 (5357). pp. 1672-1676. ISSN 0036-8075

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Abstract

The Mars Global Surveyor (MGS) z-axis accelerometer has obtained over 200 vertical structures of thermospheric density, temperature, and pressure, ranging from 110 to 170 kilometers, compared to only three previous such vertical structures. In November 1997, a regional dust storm in the Southern Hemisphere triggered an unexpectedly large thermospheric response at mid- northern latitudes, increasing the altitude of thermospheric pressure surfaces there by as much as 8 kilometers and indicating a strong global thermospheric response to a regional dust storm. Throughout the MGS mission, thermospheric density bulges have been detected on opposite sides of the planet near 90°E and 90°W, in the vicinity of maximum terrain heights. This wave 2 pattern may be caused by topographically-forced planetary waves propagating up from the lower atmosphere.

Item Type: Article
Faculty \ School: Faculty of Science > School of Environmental Sciences
University of East Anglia > Faculty of Science > Research Centres > Tyndall Centre for Climate Change Research
University of East Anglia > Faculty of Science > Research Groups > Climatic Research Unit
University of East Anglia > Faculty of Science > Research Groups > Volcanoes@UEA
University of East Anglia > Faculty of Science > Research Groups > Marine and Atmospheric Sciences
University of East Anglia > Faculty of Science > Research Groups > Meteorology, Oceanography and Climate Dynamics
University of East Anglia > Faculty of Science > Research Groups > Climate, Ocean and Atmospheric Sciences
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Depositing User: Pure Connector
Date Deposited: 24 Feb 2014 12:56
Last Modified: 25 Jul 2018 09:32
URI: https://ueaeprints.uea.ac.uk/id/eprint/47771
DOI: 10.1126/science.279.5357.1672

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